Soap bar



FIG. 1 is a perspective view from the bottom of a soap bar showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a top plan view opposite that of FIG. 2; and,

FIG. 5 is an end view thereof. 

The ornamental design for a soap bar, as shown and described. 